Why Monitor is Called CRT

Why Monitor is Called CRT Points : why monitor is called crt, why monitor is called crt? and discuss its types, monitor, basic types of monitor, types of monitor (colourwise, monochrome, gray-scale, colour Monitor To display results or output from computer, a T.V like device is used and called Monitor. Monitor assists during input from the keyboard. it also displays all normal and error messages. The displayed output is called a “Soft Copy” of information. The monitor and the VDU is also known a CRT(Cathode Rays Tube) because it has an electronic tube. The electronic guns send beam of electronic to trace regular pattern horizontal lines or data on the phosphor that coat the screens surface. Basic types of Monitor: The two basic types of monitors are:
CRT monitors, which is similar to the television screen and also work in the same way. It uses a large Vacuum tube called Cathode Ray Tube (CRT).
Flat panel display (Liquid Crystal display or LCD) which is usually used with portable computers but now have become very popular with the desktop computers too. Types of Monitor (Colourwise): There are three types of monitor. Monochrome: Monochrome monitors actually display two colors, one for the background and one for the foreground. The colors can be black and white, green and black or amber and black. Gray-Scale: A gray-scale monitor is a special type of monochrome monitor capable of displaying different shades of gray. Colour: Color monitors can display anywhere from 16 to over 1 million different colors.